| Tournament | Round | Richard Birch | Arlene Williams |
| 24.08.2014 Hills Open (NSW) | 8 | 441 | 312 |
| 17.04.2016 Tristate Challenge (NSW) | 7 | 411 | 373 |
| 14.11.2020 ACT Championships (ACT) | 10 | 376 | 342 |
| 19.06.2021 WORDS WINTER 19 JUNE (NSW) | 8 | 363 | 314 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 397.75 | 335.25 | |
| Spread: | 250 | -250 | |